Voice over Fiber with In-Band Management FRM220-FXO-4

4 FXO Ports Connects up to four PSTN lines.
Voice over Fiber Transmits high-quality voice over fiber.
In-Band Management Remote monitoring via the same fiber link.
Easy Integration Works with existing voice and data systems.
Advanced Codecs Ensures clear voice communication.
Scalable Ideal for upgrading legacy systems.
Cost-Effective Lowers deployment and maintenance costs.

The FRM220-FXO-4 is a high-performance Voice over Fiber (VoF) solution designed for seamless integration of voice services over optical fiber networks. This module supports up to four FXO (Foreign Exchange Office) ports, enabling the connection of traditional PSTN (Public Switched Telephone Network) lines to fiber optic systems, ensuring reliable and high-quality voice transmission. The FRM220-FXO-4 features in-band management, allowing remote monitoring and configuration via the same fiber link used for voice communication, which simplifies deployment and reduces operational costs. It is an ideal solution for service providers looking to upgrade their infrastructure to support both voice and data traffic over fiber, offering a cost-effective and scalable way to modernize legacy telephone systems while maintaining high-quality service standards. With robust support for advanced voice codecs, flexible installation options, and comprehensive management features, the FRM220-FXO-4 is a key component for delivering VoIP and traditional voice services over next-generation optical networks.

Specifications

Optical Interface	Connector	SFP-LC
	Fiber	MM 62.2/125μm, 50/125μm, SM 9/125μm
	Fiber	Rate: 155Mbps
	Distance	MM 2km, SM 15/30/50km, WDM 20/40km
	Wavelength	MM 1310nm, SM 1310, 1550nm
		WDM 1310Tx/1550Rx (type A)
		1550Tx/1310Rx (type B)
Indications	LED (Power, FX Link, Phone Act, Test)
Power Input	12VDC
Power Consumption	< 6W (FRM220-FXO-4)
Power Consumption	< 12W (FRM220-FXS-4)
Dimensions	159.5 × 20.8 × 88mm (D×W×H)
Weight	120g
Temperature	0 ~ 50°C (Operating), -10 ~ 70°C (Storage)
Humidity	10 ~ 90% non-condensing
Certification	CE, FCC
MTBF	65,000 hrs

Electrical Interface	Connector	RJ-11
	FXO model	Impedance : 600 ohms
		Coding : 16 bits liner
		Loop Current : 10~100mA
		Ring Frequency : Acceptable 20 ~55Hz
		Insertion Loss: 0.0 ± 1.0dB at 1000Hz
		Level Gain : TX 0dB, RX -3dB
	FXS model	Coding : 16 bits liner
		Dial: DTMF and Dial Pulse
		Provides 48VDC ± 4V to FXO
		Ringing Waveform : Sine wave
		Impedance : 600 ohms
		Ringing Frequency : 20/25/30/35/40/45/50/55 Hz selectable
		Ring Cadence: FXS to FXS : On / 1 sec, Off / 2 sec
		FXO to FXS, Reproduces the cadence detected by FXO
		Insertion Loss 0.0 ± 1.0dB at 1000Hz
		REN: 4.0B(Ring Equivalence Number)
		Level Gain : TX 0dB, RX -3dB

Ordering Information

Model Name	Description
FRM220-FXO-4	4-port FXO fiber converter card (SFP-LC)

Chassis Option

Model Name	Description
FRM220-CH1	1-slot chassis with 100~240VAC to 12VDC adapter (12W), fanless
FRM220-CH01-AD	1-slot chassis with AC/12W+DC/12W, fanless
FRM220-CH01M	1-slot chassis with console port and AC/12W+DC/12W, fanless